Home / 13,339,613.76-18,415,014.72-8,936,920.32

Finding the Fourth Proportional to 13,339,613.76, 18,415,014.72 and 8,936,920.32

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Solution

The fourth proportional to 13,339,613.76, 18,415,014.72 and 8,936,920.32 is: 12,337,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339,613.76 : 18,415,014.72 = 8,936,920.32 : x
  2. Step 2: Convert to fraction form
    13,339,613.76/18,415,014.72 = 8,936,920.32/x
  3. Step 3: Cross multiply
    13,339,613.76x = 18,415,014.72 × 8,936,920.32
  4. Step 4: Simplify right side
    13,339,613.76x = 164,573,519,244,267.09
  5. Step 5: Solve for x
    x = 164,573,519,244,267.09/13,339,613.76
  6. Step 6: Final answer
    x = 12,337,202.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.